function getXhr(){
                                 var xhr = null;
                                if(window.XMLHttpRequest) // Firefox et autres
                                   xhr = new XMLHttpRequest();
                                else if(window.ActiveXObject){ // Internet Explorer
                                   try {
                                        xhr = new ActiveXObject("Msxml2.XMLHTTP");
                                    } catch (e) {
                                        xhr = new ActiveXObject("Microsoft.XMLHTTP");
                                    }
                                }
                                else { // XMLHttpRequest non support\351 par le navigateur
                                   alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest...");
                                   xhr = true;
                                }
                                 return xhr
}


function lirerequetephp(url,iddiv){
        var  XhrObj = getXhr();
        XhrObj.onreadystatechange = function(){
        if( this.readyState == 4) {
 		if (this.status == 200){
                	var div = document.getElementById(iddiv);
                	div.innerHTML=this.responseText;
	 	} else if (this.status == 301){
			top.location.replace(this.responseText); 
        }}}

	var reg = new RegExp("(&)", "g");
	url = url.replace(reg, "&");

	var sep = "&";
	if (url.indexOf('?',0) < 0) sep = "?";

        if (location.search != '') suite = sep+location.search.substring(1);
        else suite = '';

	XhrObj.open('GET',url+suite,true);
        XhrObj.send(null);
}